松しょう根こん油ゆしょうこんゆMeanings1nounpine oilOil extracted from pine roots, used historically as a fuel or in traditional remedies.戦せん時じ中ちゅう、松しょう根こん油ゆは航こう空くう機きの燃ねん料りょうとして研けん究きゅうされた。During the war, pine oil was researched as a fuel for aircraft.
